//
//  BViewController.swift
//  TabBarControl
//
//  Created by ap0stader on 2023/11/21.
//

import UIKit

class BViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.
    }

    @IBOutlet var bLabel: UILabel!
 
    @IBAction func bChange(_ sender: UIButton) {
        if (bLabel.text == "b") {
            bLabel.text = "B"
        } else {
            bLabel.text = "b"
        }
    }
}

